公路改建工程 对原公路及沿线设施进行全线或逐段提高技术等级，以提高其使用性能的工程。
【建筑工程管理论文发表】|公路改建工程桥涵勘察设计应注意的几个问题|中国建筑论文网 关键词：公路改建工程；桥涵改建；勘察设计 [gap=514]Keywords: highway rebuilding project; Bridges rebuilt; Survey and design
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紫坪铺公路改建工程高边坡地质情况复杂恶劣，采取了钢筋混凝土锚杆框架梁对坡体进行锚固。
Owing to complicated and adverse geological conditions, the frame girder of reinforced concrete anchor bar was applied to reinforce the high slope of rebuilt access road.
结合二级公路旧路路面改建工程，对其改建后所带来的交通安全问题作分析与讨论。
In the light of reconstruction of pavement of second-class highway, the paper analyzes the problems in traffic safety, which were brought by reconstructed project.
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